How To Fix CNV_DMC_MC_EXCEPTION161 - Only Paramters with type FS4MIG_S_BAPIRET2 are valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 161

• Message text: Only Paramters with type FS4MIG_S_BAPIRET2 are valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION161 - Only Paramters with type FS4MIG_S_BAPIRET2 are valid ?

  The SAP error message CNV_DMC_MC_EXCEPTION161 with the description "Only Parameters with type FS4MIG_S_BAPIRET2 are valid" typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is an issue with the parameters being passed to a function module or BAPI (Business Application Programming Interface) that is expected to return a specific structure.
  Cause:
  
  Incorrect Parameter Type: The error suggests that the parameters being passed to a BAPI or function module do not match the expected type FS4MIG_S_BAPIRET2. This structure is typically used for returning messages and status information from BAPIs.
  Data Mapping Issues: If the data being migrated does not conform to the expected structure or if there are discrepancies in the mapping of fields, this error can occur.
  Configuration Issues: There may be configuration issues in the migration project or the DMC setup that lead to incorrect parameter types being used.
  
  Solution:
  
  Check Parameter Types: Review the parameters being passed to the BAPI or function module. Ensure that they are of the correct type FS4MIG_S_BAPIRET2. You may need to adjust the data structure or mapping accordingly.
  Review Data Mapping: Go through the data mapping configuration in the DMC or migration tool. Ensure that all fields are correctly mapped and that the data types align with the expected input for the BAPI.
  Debugging: If you have access to the ABAP code or the migration scripts, consider debugging the process to identify where the incorrect parameter type is being introduced.
  Consult Documentation: Refer to the SAP documentation for the specific BAPI or function module you are using. This can provide insights into the expected parameter types and structures.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. If the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  FS4MIG_S_BAPIRET2 Structure: This structure typically contains fields for return messages, such as message type (e.g., success, error), message ID, and message text. Understanding its structure can help in ensuring that the correct data is being passed.
  SAP Data Migration Cockpit (DMC): Familiarize yourself with the DMC and its configuration settings, as well as the migration objects you are working with.
  BAPI Documentation: Review the documentation for the specific BAPI you are using to understand its input and output parameters.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message CNV_DMC_MC_EXCEPTION161.